- Sleeves for archiving small-format or medium-format negatives ,- To protect your valuable negatives from external influences ,- For 4 film strips of 4 24 x 36 mm negatives with reorder strips / for 4 film strips with 3 medium-format negatives 6 x 6 cm ,- For 60 mm film (120) - Foil Thickness: 35g/qm ,- Material: Glassine Matt (PER) ,- Number of Negatives per Sleeve: 16 ,- Number of Sleeves: 25 ,- Possibility of Filing: Ring Binder DIN A4 ,- Sheet Length: 300 mm ,- Sheet Width: 230 mm 2 years legal warranty only